#define CODEC_DEVICE_MEM_SIZE 32 * 1024 * 1024
+#if 0
gpointer device_mem = NULL;
int device_fd = 0;
int opened_cnt = 0;
+#endif
+gpointer device_mem;
+int device_fd;
int
gst_maru_codec_device_open (CodecDevice *dev, int media_type)
dev->mem_info.index = dev->buf_size;
CODEC_LOG (DEBUG, "before mmap. buf_size: %d\n", dev->buf_size);
-
- g_static_mutex_lock (&gst_avcodec_mutex);
+#if 0
+// g_static_mutex_lock (&gst_avcodec_mutex);
if (!device_mem) {
device_mem = mmap (NULL, CODEC_DEVICE_MEM_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
}
dev->buf = device_mem;
opened_cnt++;
- g_static_mutex_unlock (&gst_avcodec_mutex);
+// g_static_mutex_unlock (&gst_avcodec_mutex);
CODEC_LOG (INFO, "succeeded to map device memory: %p.\n", dev->buf);
dev->fd = fd;
device_fd = fd;
+#endif
+
+ mmapbuf = mmap (NULL, CODEC_DEVICE_MEM_SIZE, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (mmapbuf == MAP_FAILED) {
+ perror("Failed to map device memory of codec.");
+ dev->buf = NULL;
+ return -1;
+ }
+
+ CODEC_LOG (INFO, "succeeded to map device memory: %p.\n", mmapbuf);
+ dev->fd = fd;
+ dev->buf = mmapbuf;
+
+ if (media_type == AVMEDIA_TYPE_VIDEO) {
+ device_mem = mmapbuf;
+ device_fd = fd;
+ CODEC_LOG (DEBUG, "video type! mmapbuf: %p fd: %d\n", mmapbuf, fd);
+ }
CODEC_LOG (DEBUG, "leave: %s\n", __func__);
return -1;
}
- g_static_mutex_lock (&gst_avcodec_mutex);
+#if 0
+// g_static_mutex_lock (&gst_avcodec_mutex);
if (opened_cnt) {
if (opened_cnt == 1) {
CODEC_LOG (INFO, "Release memory region of %p.\n", device_mem);
if (munmap(device_mem, CODEC_DEVICE_MEM_SIZE) != 0) {
CODEC_LOG(ERR, "Failed to release memory region of %s.\n", CODEC_DEV);
+ device_mem = NULL;
}
}
opened_cnt--;
}
- g_static_mutex_unlock (&gst_avcodec_mutex);
+// g_static_mutex_unlock (&gst_avcodec_mutex);
+#endif
+ mmapbuf = dev->buf;
+ if (!mmapbuf) {
+ GST_ERROR("Failed to get mmaped memory address.\n");
+ return -1;
+ }
+
+ CODEC_LOG (INFO, "Release memory region of %p.\n", mmapbuf);
+ if (munmap(mmapbuf, CODEC_DEVICE_MEM_SIZE) != 0) {
+ CODEC_LOG(ERR, "Failed to release memory region of %s.\n", CODEC_DEV);
+ }
dev->buf = NULL;
ioctl(fd, CODEC_CMD_RELEASE_BUFFER, &dev->mem_info.offset);
{
int ret;
-// g_static_mutex_lock (&gst_avcodec_mutex);
+ g_static_mutex_lock (&gst_avcodec_mutex);
+
if (gst_maru_codec_device_open (dev, codec->media_type) < 0) {
perror("failed to open device.\n");
+ g_static_mutex_unlock (&gst_avcodec_mutex);
return -1;
}
- g_static_mutex_lock (&gst_avcodec_mutex);
+// g_static_mutex_lock (&gst_avcodec_mutex);
ret = codec_init (ctx, codec, dev);
g_static_mutex_unlock (&gst_avcodec_mutex);
g_static_mutex_lock (&gst_avcodec_mutex);
codec_deinit (ctx, dev);
- g_static_mutex_unlock (&gst_avcodec_mutex);
+// g_static_mutex_unlock (&gst_avcodec_mutex);
ret = gst_maru_codec_device_close (dev);
-// g_static_mutex_unlock (&gst_avcodec_mutex);
+ g_static_mutex_unlock (&gst_avcodec_mutex);
return ret;
}